Easily convert from a gravity system for big groups to a squeeze setup when trekking solo with the Platypus QuickDraw 3 L Gravity filter system. Either way, it keeps clean water flowing fast.Comes with a QuickDraw filter, QuickDraw 3 L dirty reservoir with cap, dirty-side cap and ConnectCap(TM) with coverAlso includes a bottle adapter, backflush washer and hose with quick connector, shutoff clamp and storage bagSystem weighs just 8.2 oz. (233 g), supporting larger groups with clean water and without weighing you downReservoir is made with proprietary tri-layer film that's durable, packable and plastic-taste-free; it has a detachable hydrophobic hang handle and easy-fill wide-mouth openingHandle makes hang-ups quick/easy and is sized for comfortable carrying when full; it easily detaches so you can compress/roll down the reservoir to switch to squeeze filteringFast-flowing filter uses 0.2-micron hollow fibers that filter up to 3 liters per minute with squeeze pressure and 1.75 liters per minute in a gravity setupInner/outer (I/O) dual threads on the dirty side and ConnectCap, hose and bottle adapter let you dial in a custom leak-free system using the clean and dirty vessels you preferFor added versatility, the hose is fitted with a quick connector that attaches to any hydration reservoir with a quick disconnect, as well as clicking into the bottle adapterBottle adapter is multicompatible and vented, meaning common hard-sided wide-mouth bottles and narrow-mouth bottles are all game to hold your freshly filtered water2 easy cleaning methods-shake-to-clean and backflushing-keep the filter flowing fast throughout your tripTested to ensure it meets all EPA and NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa including giardia, cryptosporidium, E. coli and salmonellaIntegrity Check process helps you determine if your filter is still safely filtering water or if it's been compromised from a fall or freezingCompatible with other QuickDraw reservoirs, Platy 2 L water bottle, Platy SoftBottle, Platy water tank and common narrow-mouth 28 mm bottles including smartwaterA(R) bottlesAlso compatible with wide-mouth bottles like Nalgene, Hydro Flask and Yeti as well as quick disconnect-fitted hydration reservoirs like the Big Zip(TM) EVO hydration reservoirMade in USA.Technical SpecsBest UseBackpackingFilter TypeGravityFilter MediumHollow fiberRemoves/DestroysProtozoa And BacteriaOutput3 liters per minuteBPA FreeYesField CleanableYesDimensions9.5 x 3.9 x 3.2 inchesWeight8.2 ounces